12961844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 27202560

約数和(自身を除く): 14240716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 137, 217, 218, 274, 434, 436, 548, 763, 868, 959, 1526, 1918, 3052, 3379, 3836, 4247, 6758, 8494, 13516, 14933, 16988, 23653, 29729, 29866, 47306, 59458, 59732, 94612, 104531, 118916, 209062, 418124, 462923, 925846, 1851692, 3240461, 6480922, 12961844]

約数ペア:

[(1, 12961844), (2, 6480922), (4, 3240461), (7, 1851692), (14, 925846), (28, 462923), (31, 418124), (62, 209062), (109, 118916), (124, 104531), (137, 94612), (217, 59732), (218, 59458), (274, 47306), (434, 29866), (436, 29729), (548, 23653), (763, 16988), (868, 14933), (959, 13516), (1526, 8494), (1918, 6758), (3052, 4247), (3379, 3836)]